Home / 691,280,973,942.98-953,947,034,047.30-382,644,983,828.73

Finding the Fourth Proportional to 691,280,973,942.98, 953,947,034,047.30 and 382,644,983,828.73

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Solution

The fourth proportional to 691,280,973,942.98, 953,947,034,047.30 and 382,644,983,828.73 is: 528,038,614,073.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,280,973,942.98 : 953,947,034,047.30 = 382,644,983,828.73 : x
  2. Step 2: Convert to fraction form
    691,280,973,942.98/953,947,034,047.30 = 382,644,983,828.73/x
  3. Step 3: Cross multiply
    691,280,973,942.98x = 953,947,034,047.30 × 382,644,983,828.73
  4. Step 4: Simplify right side
    691,280,973,942.98x = 365,023,047,416,494,042,382,336
  5. Step 5: Solve for x
    x = 365,023,047,416,494,042,382,336/691,280,973,942.98
  6. Step 6: Final answer
    x = 528,038,614,073.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.